Merge pull request #4537 from MaximilianKrambach/assignments

assignment detail and list views

client/src/app/base.component.ts

@@ -64,4 +64,13 @@ export abstract class BaseComponent {
         const translatedPrefix = this.translate.instant(prefix);
         this.titleService.setTitle(translatedPrefix + this.titleSuffix);
     }
+
+    /**
+     * Helper for indexed *ngFor components
+     *
+     * @param index
+     */
+    public trackByIndex(index: number): number {
+        return index;
+    }
 }

client/src/app/core/repositories/assignments/assignment-repository.service.ts

@@ -3,11 +3,14 @@ import { Injectable } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 
 import { Assignment } from 'app/shared/models/assignments/assignment';
+import { AssignmentUser } from 'app/shared/models/assignments/assignment-user';
 import { BaseAgendaContentObjectRepository } from '../base-agenda-content-object-repository';
 import { CollectionStringMapperService } from '../../core-services/collectionStringMapper.service';
 import { DataSendService } from 'app/core/core-services/data-send.service';
 import { DataStoreService } from '../../core-services/data-store.service';
+import { HttpService } from 'app/core/core-services/http.service';
 import { Item } from 'app/shared/models/agenda/item';
+import { Poll } from 'app/shared/models/assignments/poll';
 import { Tag } from 'app/shared/models/core/tag';
 import { User } from 'app/shared/models/users/user';
 import { ViewAssignment } from 'app/site/assignments/models/view-assignment';
@@ -25,18 +28,30 @@ import { ViewUser } from 'app/site/users/models/view-user';
     providedIn: 'root'
 })
 export class AssignmentRepositoryService extends BaseAgendaContentObjectRepository<ViewAssignment, Assignment> {
+    private readonly restPath = '/rest/assignments/assignment/';
+    private readonly restPollPath = '/rest/assignments/poll/';
+    private readonly candidatureOtherPath = '/candidature_other/';
+    private readonly candidatureSelfPath = '/candidature_self/';
+    private readonly createPollPath = '/create_poll/';
+    private readonly markElectedPath = '/mark_elected/';
+
     /**
      * Constructor for the Assignment Repository.
      *
-     * @param DS The DataStore
+     * @param DS DataStore access
-     * @param mapperService Maps collection strings to classes
+     * @param dataSend Sending data
+     * @param mapperService Map models to object
+     * @param viewModelStoreService Access view models
+     * @param translate Translate string
+     * @param httpService make HTTP Requests
      */
     public constructor(
         DS: DataStoreService,
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        translate: TranslateService
+        protected translate: TranslateService,
+        private httpService: HttpService
     ) {
         super(DS, dataSend, mapperService, viewModelStoreService, translate, Assignment, [User, Item, Tag]);
     }
@@ -64,4 +79,136 @@ export class AssignmentRepositoryService extends BaseAgendaContentObjectReposito
         viewAssignment.getAgendaTitleWithType = () => this.getAgendaTitleWithType(viewAssignment);
         return viewAssignment;
     }
+
+    /**
+     * Adds another user as a candidate
+     *
+     * @param userId User id of a candidate
+     * @param assignment The assignment to add the candidate to
+     */
+    public async changeCandidate(userId: number, assignment: ViewAssignment): Promise<void> {
+        const data = { user: userId };
+        if (assignment.candidates.some(candidate => candidate.id === userId)) {
+            await this.httpService.delete(this.restPath + assignment.id + this.candidatureOtherPath, data);
+        } else {
+            await this.httpService.post(this.restPath + assignment.id + this.candidatureOtherPath, data);
+        }
+    }
+
+    /**
+     * Add the operator as candidate to the assignment
+     *
+     * @param assignment The assignment to add the candidate to
+     */
+    public async addSelf(assignment: ViewAssignment): Promise<void> {
+        await this.httpService.post(this.restPath + assignment.id + this.candidatureSelfPath);
+    }
+
+    /**
+     * Removes the current user (operator) from the list of candidates for an assignment
+     *
+     * @param assignment The assignment to remove ourself from
+     */
+    public async deleteSelf(assignment: ViewAssignment): Promise<void> {
+        await this.httpService.delete(this.restPath + assignment.id + this.candidatureSelfPath);
+    }
+
+    /**
+     * Creates a new Poll to a given assignment
+     *
+     * @param assignment The assignment to add the poll to
+     */
+    public async addPoll(assignment: ViewAssignment): Promise<void> {
+        await this.httpService.post(this.restPath + assignment.id + this.createPollPath);
+    }
+
+    /**
+     * Deletes a poll
+     *
+     * @param id id of the poll to delete
+     */
+    public async deletePoll(poll: Poll): Promise<void> {
+        await this.httpService.delete(`${this.restPollPath}${poll.id}/`);
+    }
+
+    /**
+     * update data (metadata etc) for a poll
+     *
+     * @param poll the (partial) data to update
+     * @param originalPoll the poll to update
+     *
+     * TODO: check if votes is untouched
+     */
+    public async updatePoll(poll: Partial<Poll>, originalPoll: Poll): Promise<void> {
+        const data: Poll = Object.assign(originalPoll, poll);
+        await this.httpService.patch(`${this.restPollPath}${originalPoll.id}/`, data);
+    }
+
+    /**
+     * TODO: temporary (?) update votes method. Needed because server needs
+     * different input than it's output in case of votes ?
+     *
+     * @param poll the updated Poll
+     * @param originalPoll the original poll
+     */
+    public async updateVotes(poll: Partial<Poll>, originalPoll: Poll): Promise<void> {
+        poll.options.sort((a, b) => a.weight - b.weight);
+        const votes = poll.options.map(option => {
+            switch (poll.pollmethod) {
+                case 'votes':
+                    return { Votes: option.votes.find(v => v.value === 'Yes').weight };
+                case 'yn':
+                    return {
+                        Yes: option.votes.find(v => v.value === 'Yes').weight,
+                        No: option.votes.find(v => v.value === 'No').weight
+                    };
+                case 'yna':
+                    return {
+                        Yes: option.votes.find(v => v.value === 'Yes').weight,
+                        No: option.votes.find(v => v.value === 'No').weight,
+                        Abstain: option.votes.find(v => v.value === 'Abstain').weight
+                    };
+            }
+        });
+        const data = {
+            assignment_id: originalPoll.assignment_id,
+            votes: votes,
+            votesabstain: null,
+            votescast: poll.votescast || null,
+            votesinvalid: poll.votesinvalid || null,
+            votesno: null,
+            votesvalid: poll.votesvalid || null
+        };
+        await this.httpService.put(`${this.restPollPath}${originalPoll.id}/`, data);
+    }
+
+    /**
+     * change the 'elected' state of an election candidate
+     *
+     * @param user
+     * @param assignment
+     * @param elected true if the candidate is to be elected, false if unelected
+     */
+    public async markElected(user: AssignmentUser, assignment: ViewAssignment, elected: boolean): Promise<void> {
+        const data = { user: user.user_id };
+        if (elected) {
+            await this.httpService.post(this.restPath + assignment.id + this.markElectedPath, data);
+        } else {
+            await this.httpService.delete(this.restPath + assignment.id + this.markElectedPath, data);
+        }
+    }
+
+    /**
+     * Sorting the candidates
+     * TODO untested stub
+     *
+     * @param sortedCandidates
+     * @param assignment
+     */
+    public async sortCandidates(sortedCandidates: any[], assignment: ViewAssignment): Promise<void> {
+        throw Error('TODO');
+        // const restPath = `/rest/assignments/assignment/${assignment.id}/sort_related_users`;
+        // const data = { related_users: sortedCandidates };
+        // await this.httpService.post(restPath, data);
+    }
 }

client/src/app/core/ui-services/poll.service.ts

@@ -6,37 +6,85 @@ import { _ } from 'app/core/translate/translation-marker';
  * The possible keys of a poll object that represent numbers.
  * TODO Should be 'key of MotionPoll if type of key is number'
  * TODO: normalize MotionPoll model and other poll models
- * TODO: reuse more motion-poll-service stuff
  */
 export type CalculablePollKey = 'votesvalid' | 'votesinvalid' | 'votescast' | 'yes' | 'no' | 'abstain';
 
 /**
- * Shared service class for polls.
+ * TODO: may be obsolete if the server switches to lower case only
- * TODO: For now, motionPolls only. TODO See if reusable for assignment polls etc.
+ * (lower case variants are already in CalculablePollKey)
+ */
+export type PollVoteValue = 'Yes' | 'No' | 'Abstain';
+
+/**
+ * Interface representing possible majority calculation methods. The implementing
+ * calc function should return an integer number that must be reached for the
+ * option to reach the quorum, or null if disabled
+ */
+export interface MajorityMethod {
+    value: string;
+    display_name: string;
+    calc: (base: number) => number | null;
+}
+
+/**
+ * List of available majority methods, used in motion and assignment polls
+ */
+export const PollMajorityMethod: MajorityMethod[] = [
+    {
+        value: 'simple_majority',
+        display_name: 'Simple majority',
+        calc: base => Math.ceil(base * 0.5)
+    },
+    {
+        value: 'two-thirds_majority',
+        display_name: 'Two-thirds majority',
+        calc: base => Math.ceil((base / 3) * 2)
+    },
+    {
+        value: 'three-quarters_majority',
+        display_name: 'Three-quarters majority',
+        calc: base => Math.ceil((base / 4) * 3)
+    },
+    {
+        value: 'disabled',
+        display_name: 'Disabled',
+        calc: a => null
+    }
+];
+
+/**
+ * Shared service class for polls. Used by child classes {@link MotionPollService}
+ * and {@link AssignmentPollService}
  */
 @Injectable({
     providedIn: 'root'
 })
-export class PollService {
+export abstract class PollService {
     /**
-     * The chosen and currently used base for percentage calculations. Is set by
+     * The chosen and currently used base for percentage calculations. Is
-     * the config service
+     * supposed to be set by a config service
      */
     public percentBase: string;
 
     /**
-     * The default majority method (as set per config).
+     * The default majority method (to be set set per config).
      */
     public defaultMajorityMethod: string;
 
+    /**
+     * The majority method currently in use
+     */
+    public majorityMethod: MajorityMethod;
+
     /**
      * An array of value - label pairs for special value signifiers.
-     * TODO: Should be given by the server, and editable. For now: hard coded
+     * TODO: Should be given by the server, and editable. For now they are hard
+     * coded
      */
     private _specialPollVotes: [number, string][] = [[-1, 'majority'], [-2, 'undocumented']];
 
     /**
-     * getter for the special votes
+     * getter for the special vote values
      *
      * @returns an array of special (non-positive) numbers used in polls and
      * their descriptive strings
@@ -53,9 +101,9 @@ export class PollService {
     /**
      * Gets an icon for a Poll Key
      *
-     * @param key
+     * @param key yes, no, abstain or something like that
      * @returns a string for material-icons to represent the icon for
-     * this key(e.g. yes: positiv sign, no: negative sign)
+     * this key(e.g. yes: positive sign, no: negative sign)
      */
     public getIcon(key: CalculablePollKey): string {
         switch (key) {
@@ -65,7 +113,7 @@ export class PollService {
                 return 'thumb_down';
             case 'abstain':
                 return 'not_interested';
-            // case 'votescast':
+            // TODO case 'votescast':
             // sum
             case 'votesvalid':
                 return 'check';
@@ -79,10 +127,11 @@ export class PollService {
     /**
      * Gets a label for a poll Key
      *
+     * @param key yes, no, abstain or something like that
      * @returns A short descriptive name for the poll keys
      */
-    public getLabel(key: CalculablePollKey): string {
+    public getLabel(key: CalculablePollKey | PollVoteValue): string {
-        switch (key) {
+        switch (key.toLowerCase()) {
             case 'yes':
                 return 'Yes';
             case 'no':
@@ -102,11 +151,11 @@ export class PollService {
 
     /**
      * retrieve special labels for a poll value
-     *
-     * @param value
-     * @returns the label for a non-positive value, according to
      * {@link specialPollVotes}. Positive values will return as string
      * representation of themselves
+     *
+     * @param value check value for special numbers
+     * @returns the label for a non-positive value, according to
      */
     public getSpecialLabel(value: number): string {
         if (value >= 0) {
@@ -115,4 +164,25 @@ export class PollService {
         const vote = this.specialPollVotes.find(special => special[0] === value);
         return vote ? vote[1] : 'Undocumented special (negative) value';
     }
+
+    /**
+     * Get the progress bar class for a decision key
+     *
+     * @param key a calculable poll key (like yes or no)
+     * @returns a css class designing a progress bar in a color, or an empty string
+     */
+    public getProgressBarColor(key: CalculablePollKey | PollVoteValue): string {
+        switch (key.toLowerCase()) {
+            case 'yes':
+                return 'progress-green';
+            case 'no':
+                return 'progress-red';
+            case 'abstain':
+                return 'progress-yellow';
+            case 'votes':
+                return 'progress-green';
+            default:
+                return '';
+        }
+    }
 }

client/src/app/shared/components/os-sort-filter-bar/os-sort-filter-bar.component.scss

@@ -9,11 +9,6 @@ span.right-with-margin {
     margin-right: 25px;
 }
 
-.flex-spaced {
-    display: flex;
-    justify-content: space-between;
-}
-
 .filter-count {
     font-style: italic;
     margin-right: 10px;

client/src/app/shared/models/assignments/assignment-user.ts

@@ -1,18 +1,38 @@
 import { Deserializer } from '../base/deserializer';
 
 /**
- * Content of the 'assignment_related_users' property
+ * Content of the 'assignment_related_users' property.
+ * Note that this differs from a ViewUser (e.g. different id)
  * @ignore
  */
 export class AssignmentUser extends Deserializer {
     public id: number;
+
+    /**
+     * id of the user this assignment user relates to
+     */
     public user_id: number;
+
+    /**
+     * The current 'elected' state
+     */
     public elected: boolean;
+
+    /**
+     * id of the related assignment
+     */
     public assignment_id: number;
+
+    /**
+     * A weight to determine the position in the list of candidates
+     * (determined by the server)
+     */
     public weight: number;
 
     /**
-     * Needs to be completely optional because assignment has (yet) the optional parameter 'assignment_related_users'
+     * Constructor. Needs to be completely optional because assignment has
+     * (yet) the optional parameter 'assignment_related_users'
+     *
      * @param input
      */
     public constructor(input?: any) {

client/src/app/shared/models/assignments/assignment.ts

@@ -2,12 +2,6 @@ import { AssignmentUser } from './assignment-user';
 import { Poll } from './poll';
 import { BaseModel } from '../base/base-model';
 
-export const assignmentPhase = [
-    { key: 0, name: 'Searching for candidates' },
-    { key: 1, name: 'Voting' },
-    { key: 2, name: 'Finished' }
-];
-
 /**
  * Representation of an assignment.
  * @ignore
@@ -18,7 +12,7 @@ export class Assignment extends BaseModel<Assignment> {
     public title: string;
     public description: string;
     public open_posts: number;
-    public phase: number;
+    public phase: number; // see Openslides constants
     public assignment_related_users: AssignmentUser[];
     public poll_description_default: number;
     public polls: Poll[];

client/src/app/shared/models/assignments/poll-option.ts

@@ -1,4 +1,5 @@
 import { Deserializer } from '../base/deserializer';
+import { PollVoteValue } from 'app/core/ui-services/poll.service';
 
 /**
  * Representation of a poll option
@@ -7,18 +8,38 @@ import { Deserializer } from '../base/deserializer';
  * @ignore
  */
 export class PollOption extends Deserializer {
-    public id: number;
+    public id: number; // The AssignmentUser id of the candidate
-    public candidate_id: number;
+    public candidate_id: number; // the User id of the candidate
     public is_elected: boolean;
-    public votes: number[];
+    public votes: {
+        weight: number; // TODO arrives as string?
+        value: PollVoteValue;
+    }[];
     public poll_id: number;
-    public weight: number;
+    public weight: number; // weight to order the display
 
     /**
      * Needs to be completely optional because poll has (yet) the optional parameter 'poll-options'
+     *
      * @param input
      */
     public constructor(input?: any) {
+        // cast stringify numbers
+        if (typeof input === 'object') {
+            Object.keys(input).forEach(key => {
+                if (typeof input[key] === 'string') {
+                    input[key] = parseInt(input[key], 10);
+                }
+            });
+            if (input.votes) {
+                input.votes = input.votes.map(vote => {
+                    return {
+                        value: vote.value,
+                        weight: parseInt(vote.weight, 10)
+                    };
+                });
+            }
+        }
         super(input);
     }
 }

client/src/app/shared/models/assignments/poll.ts

@@ -1,5 +1,6 @@
-import { PollOption } from './poll-option';
+import { AssignmentPollMethod } from 'app/site/assignments/services/assignment-poll.service';
 import { Deserializer } from '../base/deserializer';
+import { PollOption } from './poll-option';
 
 /**
  * Content of the 'polls' property of assignments
@@ -7,7 +8,7 @@ import { Deserializer } from '../base/deserializer';
  */
 export class Poll extends Deserializer {
     public id: number;
-    public pollmethod: string;
+    public pollmethod: AssignmentPollMethod;
     public description: string;
     public published: boolean;
     public options: PollOption[];
@@ -17,17 +18,33 @@ export class Poll extends Deserializer {
     public has_votes: boolean;
     public assignment_id: number;
 
+    /**
+     * (temporary?) storing the base values for percentage calculations,
+     * to avoid recalculating pollBases too often
+     * (the calculation iterates through all pollOptions in some use cases)
+     */
+    public pollBase: number;
+
     /**
      * Needs to be completely optional because assignment has (yet) the optional parameter 'polls'
      * @param input
      */
     public constructor(input?: any) {
+        // cast stringify numbers
+        if (typeof input === 'object') {
+            const numberifyKeys = ['id', 'votesvalid', 'votesinvalid', 'votescast', 'assignment_id'];
+
+            for (const key of Object.keys(input)) {
+                if (numberifyKeys.includes(key) && typeof input[key] === 'string') {
+                    input[key] = parseInt(input[key], 10);
+                }
+            }
+        }
         super(input);
     }
 
     public deserialize(input: any): void {
         Object.assign(this, input);
-
         this.options = [];
         if (input.options instanceof Array) {
             this.options = input.options.map(pollOptionData => new PollOption(pollOptionData));

client/src/app/site/assignments/assignment-list/assignment-list.component.html

@@ -1,4 +1,8 @@
-<os-head-bar plusButton="true" (plusButtonClicked)="onPlusButton()" [multiSelectMode]="isMultiSelect">
+<os-head-bar
+    [mainButton]="operator.hasPerms('assignments.can_manage')"
+    (mainEvent)="onPlusButton()"
+    [multiSelectMode]="isMultiSelect"
+>
     <!-- Title -->
     <div class="title-slot"><h2 translate>Elections</h2></div>
     <!-- Menu -->
@@ -91,6 +95,10 @@
                 <mat-icon>done_all</mat-icon>
                 <span translate>Select all</span>
             </button>
+            <button mat-menu-item (click)="deselectAll()">
+                <mat-icon>clear</mat-icon>
+                <span translate>Deselect all</span>
+            </button>
             <mat-divider></mat-divider>
             <button
                 mat-menu-item

client/src/app/site/assignments/assignment-list/assignment-list.component.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import { MatSnackBar } from '@angular/material';
+import { Router, ActivatedRoute } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
 import { Title } from '@angular/platform-browser';
 
@@ -8,14 +9,13 @@ import { AssignmentFilterListService } from '../services/assignment-filter.servi
 import { AssignmentSortListService } from '../services/assignment-sort-list.service';
 import { AssignmentRepositoryService } from 'app/core/repositories/assignments/assignment-repository.service';
 import { ListViewBaseComponent } from '../../base/list-view-base';
+import { OperatorService } from 'app/core/core-services/operator.service';
 import { PromptService } from 'app/core/ui-services/prompt.service';
-import { ViewAssignment } from '../models/view-assignment';
 import { StorageService } from 'app/core/core-services/storage.service';
-import { ActivatedRoute } from '@angular/router';
+import { ViewAssignment } from '../models/view-assignment';
 
 /**
- * Listview for the assignments
+ * List view for the assignments
- *
  */
 @Component({
     selector: 'os-assignment-list',
@@ -25,34 +25,40 @@ import { ActivatedRoute } from '@angular/router';
 export class AssignmentListComponent extends ListViewBaseComponent<ViewAssignment, Assignment> implements OnInit {
     /**
      * Constructor.
+     *
      * @param titleService
+     * @param storage
      * @param translate
      * @param matSnackBar
      * @param repo the repository
      * @param promptService
      * @param filterService: A service to supply the filtered datasource
      * @param sortService: Service to sort the filtered dataSource
+     * @param route
+     * @param router
+     * @param operator
      */
     public constructor(
         titleService: Title,
         storage: StorageService,
-        route: ActivatedRoute,
         protected translate: TranslateService, // protected required for ng-translate-extract
         matSnackBar: MatSnackBar,
         public repo: AssignmentRepositoryService,
         private promptService: PromptService,
         public filterService: AssignmentFilterListService,
-        public sortService: AssignmentSortListService
+        public sortService: AssignmentSortListService,
+        protected route: ActivatedRoute,
+        private router: Router,
+        public operator: OperatorService
     ) {
         super(titleService, translate, matSnackBar, route, storage, filterService, sortService);
-        // activate multiSelect mode for this listview
+        // activate multiSelect mode for this list view
         this.canMultiSelect = true;
     }
 
     /**
      * Init function.
-     * Sets the title, inits the table, sets sorting and filter definitions, subscribes to filtered
+     * Sets the title, inits the table
-     * data and sorting service
      */
     public ngOnInit(): void {
         super.setTitle(this.translate.instant('Elections'));
@@ -60,18 +66,21 @@ export class AssignmentListComponent extends ListViewBaseComponent<ViewAssignmen
     }
 
     /**
-     * Click on the plus button delegated from head-bar
+     * Handles a click on the plus button delegated from head-bar.
+     * Creates a new assignment
      */
     public onPlusButton(): void {
-        console.log('create new assignments');
+        this.router.navigate(['./new'], { relativeTo: this.route });
     }
 
     /**
-     * Action to be performed after a click on a row in the table, if in single select mode
+     * Action to be performed after a click on a row in the table, if in single select mode.
+     * Navigates to the corresponding assignment
+     *
      * @param assignment The entry of row clicked
      */
     public singleSelectAction(assignment: ViewAssignment): void {
-        console.log('select assignment list: ', assignment);
+        this.router.navigate([assignment.getDetailStateURL()], { relativeTo: this.route });
     }
 
     /**
@@ -79,7 +88,7 @@ export class AssignmentListComponent extends ListViewBaseComponent<ViewAssignmen
      * TODO: Not yet implemented
      */
     public downloadAssignmentButton(): void {
-        console.log('Hello World');
+        this.raiseError('TODO: assignment download not yet implemented');
     }
 
     /**
@@ -95,6 +104,11 @@ export class AssignmentListComponent extends ListViewBaseComponent<ViewAssignmen
         }
     }
 
+    /**
+     * Fetch the column definitions for the data table
+     *
+     * @returns a list of string matching the columns
+     */
     public getColumnDefintion(): string[] {
         const list = ['title', 'phase', 'candidates'];
         if (this.isMultiSelect) {

client/src/app/site/assignments/assignments-routing.module.ts

@@ -1,8 +1,14 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
+
+import { AssignmentDetailComponent } from './components/assignment-detail/assignment-detail.component';
 import { AssignmentListComponent } from './assignment-list/assignment-list.component';
 
-const routes: Routes = [{ path: '', component: AssignmentListComponent, pathMatch: 'full' }];
+const routes: Routes = [
+    { path: '', component: AssignmentListComponent, pathMatch: 'full' },
+    { path: 'new', component: AssignmentDetailComponent },
+    { path: ':id', component: AssignmentDetailComponent }
+];
 
 @NgModule({
     imports: [RouterModule.forChild(routes)],

client/src/app/site/assignments/assignments.module.ts

@@ -1,12 +1,21 @@
-import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
 
+import { AssignmentDetailComponent } from './components/assignment-detail/assignment-detail.component';
+import { AssignmentListComponent } from './assignment-list/assignment-list.component';
+import { AssignmentPollComponent } from './components/assignment-poll/assignment-poll.component';
+import { AssignmentPollDialogComponent } from './components/assignment-poll/assignment-poll-dialog.component';
 import { AssignmentsRoutingModule } from './assignments-routing.module';
 import { SharedModule } from '../../shared/shared.module';
-import { AssignmentListComponent } from './assignment-list/assignment-list.component';
 
 @NgModule({
     imports: [CommonModule, AssignmentsRoutingModule, SharedModule],
-    declarations: [AssignmentListComponent]
+    declarations: [
+        AssignmentListComponent,
+        AssignmentDetailComponent,
+        AssignmentPollComponent,
+        AssignmentPollDialogComponent
+    ],
+    entryComponents: [AssignmentPollDialogComponent]
 })
 export class AssignmentsModule {}

client/src/app/site/assignments/components/assignment-detail/assignment-detail.component.html

@@ -0,0 +1,259 @@
+<os-head-bar
+    [mainButton]="hasPerms('manage')"
+    mainButtonIcon="edit"
+    [nav]="false"
+    [editMode]="editAssignment"
+    (mainEvent)="setEditMode(!editAssignment)"
+    (saveEvent)="saveAssignment()"
+>
+    <!-- Title -->
+    <div class="title-slot">
+        <h2 *ngIf="assignment && !newAssignment">
+            <span translate>Election</span>
+            <span>&nbsp;</span> <span *ngIf="!editAssignment">{{ assignment.title }}</span>
+            <span *ngIf="editAssignment">{{ assignmentForm.get('title').value }}</span>
+        </h2>
+        <h2 *ngIf="newAssignment" translate>New election</h2>
+    </div>
+
+    <!-- Menu -->
+    <div class="menu-slot">
+        <button type="button" mat-icon-button [matMenuTriggerFor]="assignmentDetailMenu">
+            <mat-icon>more_vert</mat-icon>
+        </button>
+    </div>
+
+    <mat-menu #assignmentDetailMenu="matMenu">
+        <!-- delete -->
+        <!-- print, edit, delete -->
+        <div *ngIf="assignment">
+            <!-- PDF -->
+            <button mat-menu-item (click)="onDownloadPdf()">
+                <!-- TODO: results or descritipon. Results if published -->
+                <mat-icon>picture_as_pdf</mat-icon>
+                <span translate>PDF</span>
+            </button>
+            <mat-divider></mat-divider>
+            <!-- Delete -->
+            <button mat-menu-item class="red-warning-text" (click)="onDeleteAssignmentButton()">
+                <mat-icon>delete</mat-icon>
+                <span translate>Delete</span>
+            </button>
+        </div>
+    </mat-menu>
+</os-head-bar>
+
+<div class="content-container">
+    <!-- Title -->
+    <div class="title on-transition-fade" *ngIf="assignment && !editAssignment">
+        <div class="title-line">
+            <h1>{{ assignment.title }}</h1>
+        </div>
+    </div>
+    <ng-container *ngIf="vp.isMobile; then mobileView; else desktopView"></ng-container>
+</div>
+
+<ng-template #mobileView>
+    <!-- TODO -->
+</ng-template>
+
+<ng-template #desktopView>
+    <mat-card class="os-card">
+        <div *ngIf="editAssignment">
+            <ng-container [ngTemplateOutlet]="assignmentFormTemplate"></ng-container>
+        </div>
+        <div *ngIf="!editAssignment">
+            <mat-card class="os-card">
+                <ng-container [ngTemplateOutlet]="metaInfoTemplate"></ng-container>
+            </mat-card>
+            <mat-card class="os-card">
+                <ng-container [ngTemplateOutlet]="contentTemplate"></ng-container>
+            </mat-card>
+        </div>
+    </mat-card>
+</ng-template>
+
+<ng-template #metaInfoTemplate>
+    <span translate>Meta information</span>
+    <div *ngIf="assignment; &quot;flex-spaced&quot;">
+        <div>
+            <span translate>Number of persons to be elected</span>:&nbsp;
+            <span>{{ assignment.assignment.open_posts }}</span>
+        </div>
+        <div>
+            <span> {{ phaseString | translate }}</span>
+            <mat-form-field>
+                <mat-label translate>Phase</mat-label>
+                <mat-select
+                    class="selection"
+                    [disabled]="!hasPerms('manage')"
+                    (selectionChange)="setPhase($event)"
+                    [value]="assignment.phase"
+                >
+                    <mat-option *ngFor="let option of phaseOptions" [value]="option.value">
+                        {{ option.display_name | translate }}
+                    </mat-option>
+                </mat-select>
+            </mat-form-field>
+        </div>
+    </div>
+</ng-template>
+
+<ng-template #contentTemplate>
+    <ng-container *ngIf="assignment && assignment.phase !== 2" [ngTemplateOutlet]="candidatesTemplate">
+    </ng-container>
+    <!-- TODO related agenda item to create/updade: internal status; parent_id ? -->
+    <ng-container [ngTemplateOutlet]="pollTemplate"></ng-container>
+    <!-- TODO different status/display if finished -->
+</ng-template>
+
+<!-- poll template -->
+<ng-template #pollTemplate>
+    <div>
+        <!-- TODO: header. New poll button to the right, and with icon -->
+        <!-- new poll button -->
+        <button type="button" mat-button *ngIf="hasPerms('createPoll')" (click)="createPoll()">
+            <span translate>Create poll</span>
+        </button>
+    </div>
+    <mat-tab-group (selectedTabChange)="onTabChange()" *ngIf="assignment && assignment.polls">
+        <!-- TODO avoid animation/switching on update -->
+        <mat-tab *ngFor="let poll of assignment.polls; let i = index" [label]="getPollLabel(poll, i)">
+            <os-assignment-poll [assignment]="assignment" [poll]="poll"> </os-assignment-poll>
+        </mat-tab>
+    </mat-tab-group>
+</ng-template>
+
+<ng-template #candidatesTemplate>
+    <!-- TODO two columns here: Left candidates; right add/remove -->
+    <div>
+        <div>
+            <div *ngIf="assignment && assignment.candidates">
+                <!-- TODO: Sorting -->
+                <div *ngFor="let candidate of assignment.candidates">
+                    <span>{{ candidate.username }}</span>
+                    <button mat-button *ngIf="hasPerms('addOthers')" (click)="removeUser(candidate)">Remove</button>
+                </div>
+            </div>
+        </div>
+        <div>
+            <div *ngIf="hasPerms('addOthers')">
+                <!-- candidates: if open: Select list, sortable (like list of speakers) -->
+                <os-search-value-selector
+                    *ngIf="hasPerms('addOthers')"
+                    ngDefaultControl
+                    placeholder="Add candidate"
+                    [formControl]="candidatesForm.get('candidate')"
+                    [InputListValues]="availableCandidates"
+                    [form]="candidatesForm"
+                >
+                </os-search-value-selector>
+                <button mat-button [disabled]="!candidatesForm.get('candidate').value" (click)="addUser()">
+                    <span translate>add</span>
+                </button>
+                <!-- TODO disable if no user set; filter out users already in list of candidates -->
+            </div>
+        </div>
+
+        <!-- class="spacer-top-10" -->
+        <button
+            type="button"
+            mat-button
+            color="primary"
+            *ngIf="hasPerms('addSelf') && !isSelfCandidate"
+            (click)="addSelf()"
+        >
+            <span class="upper" translate>Add me</span>
+        </button>
+        <br />
+        <button type="button" mat-button *ngIf="hasPerms('addSelf') && isSelfCandidate" (click)="removeSelf()">
+            <span translate>Remove me</span>
+        </button>
+        <br />
+    </div>
+</ng-template>
+
+<ng-template #assignmentFormTemplate>
+    <div>
+        <form
+            class="content"
+            [formGroup]="assignmentForm"
+            (keydown)="onKeyDown($event)"
+            *ngIf="assignment && editAssignment"
+        >
+            <!-- title -->
+            <mat-form-field>
+                <input
+                    matInput
+                    placeholder="{{ 'Title' | translate }}"
+                    formControlName="title"
+                    [value]="assignmentCopy.title || ''"
+                />
+            </mat-form-field>
+
+            <!-- description: HTML Editor -->
+            <editor
+                formControlName="description"
+                [init]="tinyMceSettings"
+                *ngIf="assignment && editAssignment"
+                required
+            ></editor>
+            <div
+                *ngIf="
+                    assignmentForm.get('description').invalid &&
+                    (assignmentForm.get('description').dirty || assignmentForm.get('description').touched)
+                "
+                class="red-warning-text"
+                translate
+            >
+                This field is required.
+            </div>
+
+            <!-- searchValueSelector: tags -->
+            <div class="content-field">
+                <os-search-value-selector
+                    ngDefaultControl
+                    [form]="assignmentForm"
+                    [formControl]="assignmentForm.get('tags_id')"
+                    [multiple]="true"
+                    [includeNone]="true"
+                    listname="{{ 'Tags' | translate }}"
+                    [InputListValues]="tagsObserver"
+                ></os-search-value-selector>
+            </div>
+
+            <!-- searchValueSelector:agendaItem -->
+            <div class="content-field">
+                <os-search-value-selector
+                    ngDefaultControl
+                    [form]="assignmentForm"
+                    [formControl]="assignmentForm.get('agenda_item_id')"
+                    [multiple]="false"
+                    [includeNone]="false"
+                    listname="{{ 'Topic' | translate }}"
+                    [InputListValues]="agendaObserver"
+                ></os-search-value-selector>
+            </div>
+
+            <!-- poll_description_default -->
+            <mat-form-field>
+                <input
+                    matInput
+                    placeholder="{{ 'Default comment on the ballot paper' | translate }}"
+                    formControlName="poll_description_default"
+                    [value]="assignmentCopy.assignment.poll_description_default || ''"
+                />
+            </mat-form-field>
+            <!-- open posts: number -->
+            <mat-form-field>
+                <input
+                    matInput
+                    placeholder="{{ 'Number of persons to be elected' | translate }}"
+                    formControlName="open_posts"
+                    [value]="assignmentCopy.assignment.open_posts || null"
+                />
+            </mat-form-field>
+            <!-- TODO searchValueSelector: Parent -->
+        </form>
+    </div>
+</ng-template>

client/src/app/site/assignments/components/assignment-detail/assignment-detail.component.spec.ts

@@ -0,0 +1,27 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { E2EImportsModule } from '../../../../../e2e-imports.module';
+import { AssignmentDetailComponent } from './assignment-detail.component';
+import { AssignmentPollComponent } from '../assignment-poll/assignment-poll.component';
+
+describe('AssignmentDetailComponent', () => {
+    let component: AssignmentDetailComponent;
+    let fixture: ComponentFixture<AssignmentDetailComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule],
+            declarations: [AssignmentDetailComponent, AssignmentPollComponent]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(AssignmentDetailComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/site/assignments/components/assignment-detail/assignment-detail.component.ts

@@ -0,0 +1,426 @@
+import { BehaviorSubject } from 'rxjs';
+import { Component, OnInit } from '@angular/core';
+import { FormBuilder, FormGroup } from '@angular/forms';
+import { MatSnackBar, MatSelectChange } from '@angular/material';
+import { Router, ActivatedRoute } from '@angular/router';
+import { Title } from '@angular/platform-browser';
+
+import { TranslateService } from '@ngx-translate/core';
+
+import { Assignment } from 'app/shared/models/assignments/assignment';
+import { AssignmentPollService } from '../../services/assignment-poll.service';
+import { AssignmentRepositoryService } from 'app/core/repositories/assignments/assignment-repository.service';
+import { BaseViewComponent } from 'app/site/base/base-view';
+import { ConstantsService } from 'app/core/ui-services/constants.service';
+import { ItemRepositoryService } from 'app/core/repositories/agenda/item-repository.service';
+import { LocalPermissionsService } from 'app/site/motions/services/local-permissions.service';
+import { OperatorService } from 'app/core/core-services/operator.service';
+import { Poll } from 'app/shared/models/assignments/poll';
+import { TagRepositoryService } from 'app/core/repositories/tags/tag-repository.service';
+import { UserRepositoryService } from 'app/core/repositories/users/user-repository.service';
+import { ViewAssignment, AssignmentPhase } from '../../models/view-assignment';
+import { ViewItem } from 'app/site/agenda/models/view-item';
+import { ViewportService } from 'app/core/ui-services/viewport.service';
+import { ViewTag } from 'app/site/tags/models/view-tag';
+import { ViewUser } from 'app/site/users/models/view-user';
+
+/**
+ * Component for the assignment detail view
+ */
+@Component({
+    selector: 'os-assignment-detail',
+    templateUrl: './assignment-detail.component.html',
+    styleUrls: ['./assignment-detail.component.scss']
+})
+export class AssignmentDetailComponent extends BaseViewComponent implements OnInit {
+    /**
+     * Determines if the assignment is new
+     */
+    public newAssignment = false;
+
+    /**
+     * If true, the page is supposed to be in 'edit' mode (i.e. the assignment itself can be edited)
+     */
+    public editAssignment = false;
+
+    /**
+     * The different phases of an assignment. Info is fetched from server
+     */
+    public phaseOptions: AssignmentPhase[] = [];
+
+    /**
+     * List of users (used in searchValueSelector for candidates)
+     * TODO Candidates already in the list should be filtered out
+     */
+    public availableCandidates = new BehaviorSubject<ViewUser[]>([]);
+
+    /**
+     * TODO a filtered list (excluding users already in this.assignment.candidates)
+     */
+    public filteredCandidates = new BehaviorSubject<ViewUser[]>([]);
+
+    /**
+     * Form for adding/removing candidates.
+     */
+    public candidatesForm: FormGroup;
+
+    /**
+     * Form for editing the assignment itself (TODO mergeable with candidates?)
+     */
+    public assignmentForm: FormGroup;
+
+    /**
+     * Used in the search Value selector to assign tags
+     */
+    public tagsObserver: BehaviorSubject<ViewTag[]>;
+
+    /**
+     * Used in the search Value selector to assign an agenda item
+     */
+    public agendaObserver: BehaviorSubject<ViewItem[]>;
+
+    /**
+     * Sets the assignment, e.g. via an auto update. Reload important things here:
+     * - Poll base values are be recalculated
+     *
+     * @param assignment the assignment to set
+     */
+    public set assignment(assignment: ViewAssignment) {
+        this._assignment = assignment;
+        if (this.assignment.polls && this.assignment.polls.length) {
+            this.assignment.polls.forEach(poll => {
+                poll.pollBase = this.pollService.getBaseAmount(poll);
+            });
+        }
+    }
+
+    /**
+     * Returns the target assignment.
+     */
+    public get assignment(): ViewAssignment {
+        return this._assignment;
+    }
+
+    /**
+     * Current instance of ViewAssignment. Accessed via getter and setter.
+     */
+    private _assignment: ViewAssignment;
+
+    /**
+     * Copy instance of the assignment that the user might edit
+     */
+    public assignmentCopy: ViewAssignment;
+
+    /**
+     * Check if the operator is a candidate
+     *
+     * @returns true if they are in the list of candidates
+     */
+    public get isSelfCandidate(): boolean {
+        return this.assignment.candidates.find(user => user.id === this.operator.user.id) ? true : false;
+    }
+
+    /**
+     * gets the current assignment phase as string
+     *
+     * @returns a matching string (untranslated)
+     */
+    public get phaseString(): string {
+        const mapping = this.phaseOptions.find(ph => ph.value === this.assignment.phase);
+        return mapping ? mapping.display_name : '';
+    }
+
+    /**
+     * Constructor. Build forms and subscribe to needed configs, constants and updates
+     *
+     * @param title
+     * @param translate
+     * @param matSnackBar
+     * @param vp
+     * @param operator
+     * @param perms
+     * @param router
+     * @param route
+     * @param formBuilder
+     * @param repo
+     * @param userRepo
+     * @param constants
+     * @param pollService
+     * @param agendaRepo
+     * @param tagRepo
+     */
+    public constructor(
+        title: Title,
+        translate: TranslateService,
+        matSnackBar: MatSnackBar,
+        public vp: ViewportService,
+        private operator: OperatorService,
+        public perms: LocalPermissionsService,
+        private router: Router,
+        private route: ActivatedRoute,
+        formBuilder: FormBuilder,
+        public repo: AssignmentRepositoryService,
+        private userRepo: UserRepositoryService,
+        private constants: ConstantsService,
+        public pollService: AssignmentPollService,
+        private agendaRepo: ItemRepositoryService,
+        private tagRepo: TagRepositoryService
+    ) {
+        super(title, translate, matSnackBar);
+        /* Server side constants for phases */
+        this.constants.get<AssignmentPhase[]>('AssignmentPhases').subscribe(phases => (this.phaseOptions = phases));
+        /* List of eligible users */
+        this.userRepo.getViewModelListObservable().subscribe(users => this.availableCandidates.next(users));
+        this.assignmentForm = formBuilder.group({
+            phase: null,
+            tags_id: [],
+            title: '',
+            description: '',
+            poll_description_default: '',
+            open_posts: 0,
+            agenda_item_id: '' // create agenda item
+        });
+        this.candidatesForm = formBuilder.group({
+            candidate: null
+        });
+    }
+
+    /**
+     * Init data
+     */
+    public ngOnInit(): void {
+        this.getAssignmentByUrl();
+        this.agendaObserver = this.agendaRepo.getViewModelListBehaviorSubject();
+        this.tagsObserver = this.tagRepo.getViewModelListBehaviorSubject();
+    }
+
+    /**
+     * Permission check for interactions.
+     *
+     * Current operations supported:
+     *  - addSelf: the user can add themself to the list of candidates
+     *  - addOthers: the user can add other candidates
+     *  - createPoll: the user can add/edit election poll (requires candidates to be present)
+     *  - manage: the user has general manage permissions (i.e. editing the assignment metaInfo)
+     *
+     * @param operation the action requested
+     * @returns true if the user is able to perform the action
+     */
+    public hasPerms(operation: string): boolean {
+        const isManager = this.operator.hasPerms('assignments.can_manage');
+        switch (operation) {
+            case 'addSelf':
+                if (isManager && this.assignment.phase !== 2) {
+                    return true;
+                } else {
+                    return this.assignment.phase === 0 && this.operator.hasPerms('assignments.can_nominate_self');
+                }
+            case 'addOthers':
+                if (isManager && this.assignment.phase !== 2) {
+                    return true;
+                } else {
+                    return this.assignment.phase === 0 && this.operator.hasPerms('assignments.can_nominate_others');
+                }
+            case 'createPoll':
+                return (
+                    isManager && this.assignment && this.assignment.phase !== 2 && this.assignment.candidateAmount > 0
+                );
+            case 'manage':
+                return isManager;
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * Sets/unsets the 'edit assignment' mode
+     *
+     * @param newMode
+     */
+    public setEditMode(newMode: boolean): void {
+        if (newMode && this.hasPerms('manage')) {
+            this.patchForm(this.assignment);
+            this.editAssignment = true;
+        }
+        if (!newMode && this.newAssignment) {
+            this.router.navigate(['./assignments/']);
+        }
+        if (!newMode) {
+            this.editAssignment = false;
+        }
+    }
+
+    /**
+     * Changes/updates the assignment form values
+     *
+     * @param assignment
+     */
+    private patchForm(assignment: ViewAssignment): void {
+        this.assignmentCopy = assignment;
+        this.assignmentForm.patchValue({
+            tags_id: assignment.assignment.tags_id || [],
+            agendaItem: assignment.assignment.agenda_item_id || null,
+            phase: assignment.phase, // todo default: 0?
+            description: assignment.assignment.description || '',
+            poll_description_default: assignment.assignment.poll_description_default,
+            open_posts: assignment.assignment.open_posts || 1
+        });
+    }
+
+    /**
+     * Save the current state of the assignment
+     */
+    public saveAssignment(): void {
+        if (this.newAssignment) {
+            this.createAssignment();
+        } else {
+            this.updateAssignmentFromForm();
+        }
+    }
+
+    /**
+     * Creates a new Poll
+     * TODO: directly open poll dialog?
+     */
+    public async createPoll(): Promise<void> {
+        await this.repo.addPoll(this.assignment).then(null, this.raiseError);
+    }
+
+    /**
+     * Adds the operator to list of candidates
+     */
+    public async addSelf(): Promise<void> {
+        await this.repo.addSelf(this.assignment).then(null, this.raiseError);
+    }
+
+    /**
+     * Removes the operator from list of candidates
+     */
+    public async removeSelf(): Promise<void> {
+        await this.repo.deleteSelf(this.assignment).then(null, this.raiseError);
+    }
+
+    /**
+     * Adds a user to the list of candidates
+     */
+    public async addUser(): Promise<void> {
+        const candId = this.candidatesForm.get('candidate').value;
+        this.candidatesForm.setValue({ candidate: null });
+        if (candId) {
+            await this.repo.changeCandidate(candId, this.assignment).then(null, this.raiseError);
+        }
+    }
+
+    /**
+     * Removes a user from the list of candidates
+     *
+     * @param user Assignment User
+     */
+    public async removeUser(user: ViewUser): Promise<void> {
+        await this.repo.changeCandidate(user.id, this.assignment).then(null, this.raiseError);
+    }
+
+    /**
+     * Determine the assignment to display using the URL
+     */
+    public getAssignmentByUrl(): void {
+        const params = this.route.snapshot.params;
+        if (params && params.id) {
+            // existing assignment
+            const assignmentId: number = +params.id;
+            // the following subscriptions need to be cleared when the route changes
+            this.subscriptions.push(
+                this.repo.getViewModelObservable(assignmentId).subscribe(assignment => {
+                    if (assignment) {
+                        this.assignment = assignment;
+                        this.patchForm(this.assignment);
+                    }
+                })
+            );
+        } else {
+            this.newAssignment = true;
+            // TODO set defaults?
+            this.assignment = new ViewAssignment(new Assignment());
+            this.patchForm(this.assignment);
+            this.setEditMode(true);
+        }
+    }
+
+    /**
+     * Handler for deleting the assignment
+     * TODO: navigating to assignment overview on delete
+     */
+    public onDeleteAssignmentButton(): void {}
+
+    /**
+     * Handler for actions to be done on change of displayed poll
+     * TODO: needed?
+     */
+    public onTabChange(): void {}
+
+    /**
+     * Handler for changing the phase of an assignment
+     *
+     * TODO: only with existing assignments, else it should fail
+     * TODO check permissions and conditions
+     *
+     * @param event
+     */
+    public async setPhase(event: MatSelectChange): Promise<void> {
+        if (!this.newAssignment && this.phaseOptions.find(option => option.value === event.value)) {
+            this.repo.update({ phase: event.value }, this.assignment).then(null, this.raiseError);
+        }
+    }
+
+    public onDownloadPdf(): void {
+        // TODO: Download summary pdf
+    }
+
+    /**
+     * Creates an assignment. Calls the "patchValues" function
+     */
+    public async createAssignment(): Promise<void> {
+        const newAssignmentValues = { ...this.assignmentForm.value };
+
+        if (!newAssignmentValues.agenda_parent_id) {
+            delete newAssignmentValues.agenda_parent_id;
+        }
+        try {
+            const response = await this.repo.create(newAssignmentValues);
+            this.router.navigate(['./assignments/' + response.id]);
+        } catch (e) {
+            this.raiseError(this.translate.instant(e));
+        }
+    }
+
+    public updateAssignmentFromForm(): void {
+        this.repo.patch({ ...this.assignmentForm.value }, this.assignmentCopy).then(() => {
+            this.editAssignment = false;
+        }, this.raiseError);
+    }
+
+    /**
+     * clicking Shift and Enter will save automatically
+     * Hitting escape while in the edit form should cancel editing
+     *
+     * @param event has the code
+     */
+    public onKeyDown(event: KeyboardEvent): void {
+        if (event.key === 'Enter' && event.shiftKey) {
+            this.saveAssignment();
+        }
+        if (event.key === 'Escape') {
+            this.setEditMode(false);
+        }
+    }
+
+    /**
+     * Assemble a meaningful label for the poll
+     * TODO (currently e.g. 'Ballot 10 (unublished)')
+     */
+    public getPollLabel(poll: Poll, index: number): string {
+        const pubState = poll.published ? this.translate.instant('published') : this.translate.instant('unpublished');
+        const title = this.translate.instant('Ballot');
+        return `${title} ${index + 1} (${pubState})`;
+    }
+}

client/src/app/site/assignments/components/assignment-poll/assignment-poll-dialog.component.html

@@ -0,0 +1,75 @@
+<h2 translate>Voting result</h2>
+<div class="meta-text">
+    <span translate>Special values</span>:<br />
+    <mat-chip>-1</mat-chip>&nbsp;=&nbsp; <span translate>majority</span><br />
+    <mat-chip color="accent">-2</mat-chip>&nbsp;=&nbsp;
+    <span translate>undocumented</span>
+</div>
+<div>
+    <div class="flex-spaced" *ngFor="let candidate of data.poll.options">
+        <div>
+            {{ getName(candidate.candidate_id) }}
+        </div>
+        <div class="votes">
+            <mat-form-field>
+                <input
+                    type="number"
+                    matInput
+                    [value]="getValue('Yes', candidate)"
+                    (change)="setValue('Yes', candidate, $event.target.value)"
+                />
+                <mat-label *ngIf="data.poll.pollmethod !== 'votes'" translate>Yes</mat-label>
+            </mat-form-field>
+            <mat-form-field *ngIf="data.poll.pollmethod !== 'votes'">
+                <input
+                    type="number"
+                    matInput
+                    [value]="getValue('No', candidate)"
+                    (change)="setValue('No', candidate, $event.target.value)"
+                />
+                <mat-label translate>No</mat-label>
+            </mat-form-field>
+            <mat-form-field *ngIf="data.poll.pollmethod === 'yna'">
+                <input
+                    type="number"
+                    matInput
+                    [value]="getValue('Abstain', candidate)"
+                    (change)="setValue('Abstain', candidate, $event.target.value)"
+                />
+                <mat-label translate>Abstain</mat-label>
+            </mat-form-field>
+        </div>
+        <mat-divider *ngIf="data.poll.pollmethod !== 'votes'"></mat-divider>
+    </div>
+    <mat-form-field>
+        <input
+            type="number"
+            matInput
+            [value]="getSumValue('votesvalid')"
+            (change)="setSumValue('votesvalid', $event.target.value)"
+        />
+        <mat-label translate>Valid votes</mat-label>
+    </mat-form-field>
+    <mat-form-field>
+        <input
+            type="number"
+            matInput
+            [value]="getSumValue('votesinvalid')"
+            (change)="setSumValue('votesinvalid', $event.target.value)"
+        />
+        <mat-label translate>Invalid votes</mat-label>
+    </mat-form-field>
+    <mat-form-field>
+        <input
+            type="number"
+            matInput
+            [value]="getSumValue('votescast')"
+            (change)="setSumValue('votescast', $event.target.value)"
+        />
+        <mat-label translate>Total votes</mat-label>
+    </mat-form-field>
+</div>
+<div class="submit-buttons">
+    <button mat-button (click)="submit()">{{ 'Save' | translate }}</button>
+    <button mat-button (click)="cancel()">{{ 'Cancel' | translate }}</button>
+</div>

client/src/app/site/assignments/components/assignment-poll/assignment-poll-dialog.component.scss

@@ -0,0 +1,19 @@
+.submit-buttons {
+    display: flex;
+    justify-content: flex-end;
+}
+
+.meta-text {
+    font-style: italic;
+    margin-left: 10px;
+    margin-right: 10px;
+    mat-chip {
+        margin-left: 5px;
+        margin-right: 2px;
+    }
+}
+
+.votes {
+    display: flex;
+    justify-content: space-between;
+}

client/src/app/site/assignments/components/assignment-poll/assignment-poll-dialog.component.ts

@@ -0,0 +1,169 @@
+import { Component, Inject } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA, MatSnackBar } from '@angular/material';
+import { TranslateService } from '@ngx-translate/core';
+
+import { AssignmentPollService } from '../../services/assignment-poll.service';
+import { CalculablePollKey, PollVoteValue } from 'app/core/ui-services/poll.service';
+import { Poll } from 'app/shared/models/assignments/poll';
+import { PollOption } from 'app/shared/models/assignments/poll-option';
+import { ViewUser } from 'app/site/users/models/view-user';
+
+/**
+ * Vote entries included once for summary (e.g. total votes cast)
+ */
+type summaryPollKeys = 'votescast' | 'votesvalid' | 'votesinvalid';
+
+/**
+ * A dialog for updating the values of an assignment-related poll.
+ */
+@Component({
+    selector: 'os-assignment-poll-dialog',
+    templateUrl: './assignment-poll-dialog.component.html',
+    styleUrls: ['./assignment-poll-dialog.component.scss']
+})
+export class AssignmentPollDialogComponent {
+    /**
+     * List of accepted special non-numerical values.
+     * See {@link PollService.specialPollVotes}
+     */
+    public specialValues: [number, string][];
+
+    /**
+     * vote entries for each option in this component. Is empty if method
+     * requires one vote per candidate
+     */
+    public optionPollKeys: PollVoteValue[];
+
+    /**
+     * Constructor. Retrieves necessary metadata from the pollService,
+     * injects the poll itself
+     */
+    public constructor(
+        public dialogRef: MatDialogRef<AssignmentPollDialogComponent>,
+        @Inject(MAT_DIALOG_DATA) public data: { poll: Poll; users: ViewUser[] },
+        private matSnackBar: MatSnackBar,
+        private translate: TranslateService,
+        private pollService: AssignmentPollService
+    ) {
+        this.specialValues = this.pollService.specialPollVotes;
+        switch (this.data.poll.pollmethod) {
+            case 'votes':
+                this.optionPollKeys = ['Yes'];
+                break;
+            case 'yn':
+                this.optionPollKeys = ['Yes', 'No'];
+                break;
+            case 'yna':
+                this.optionPollKeys = ['Yes', 'No', 'Abstain'];
+                break;
+        }
+    }
+
+    /**
+     * Close the dialog, submitting nothing. Triggered by the cancel button and
+     * default angular cancelling behavior
+     */
+    public cancel(): void {
+        this.dialogRef.close();
+    }
+
+    /**
+     * Validates candidates input (every candidate has their options filled in),
+     * submits and closes the dialog if successful, else displays an error popup.
+     * TODO better validation
+     */
+    public submit(): void {
+        const error = this.data.poll.options.find(dataoption => {
+            for (const key of this.optionPollKeys) {
+                const keyValue = dataoption.votes.find(o => o.value === key);
+                if (!keyValue || keyValue.weight === undefined) {
+                    return true;
+                }
+            }
+        });
+        if (error) {
+            this.matSnackBar.open(
+                this.translate.instant('Please fill in the values for each candidate'),
+                this.translate.instant('OK'),
+                {
+                    duration: 1000
+                }
+            );
+        } else {
+            this.dialogRef.close(this.data.poll);
+        }
+    }
+
+    /**
+     * TODO: currently unused
+     *
+     * @param key poll option to be labeled
+     * @returns a label for a poll option
+     */
+    public getLabel(key: CalculablePollKey): string {
+        return this.pollService.getLabel(key);
+    }
+
+    /**
+     * Get the (full) name of a pollOption candidate
+     *
+     * @param the id of the candidate
+     * @returns the full_name property
+     */
+    public getName(candidateId: number): string {
+        const user = this.data.users.find(c => c.id === candidateId);
+        return user ? user.full_name : 'unknown user';
+        // TODO error handling
+    }
+
+    /**
+     * Updates a vote value
+     *
+     * @param value the value to update
+     * @param candidate the candidate for whom to update the value
+     * @param newData the new value
+     */
+    public setValue(value: PollVoteValue, candidate: PollOption, newData: string): void {
+        const vote = candidate.votes.find(v => v.value === value);
+        if (vote) {
+            vote.weight = parseInt(newData, 10);
+        } else {
+            candidate.votes.push({
+                value: value,
+                weight: parseInt(newData, 10)
+            });
+        }
+    }
+
+    /**
+     * Retrieves the current value for a voting option
+     *
+     * @param value the vote value (e.g. 'Abstain')
+     * @param candidate the pollOption
+     * @returns the currently entered number or undefined if no number has been set
+     */
+    public getValue(value: PollVoteValue, candidate: PollOption): number | undefined {
+        const val = candidate.votes.find(v => v.value === value);
+        return val ? val.weight : undefined;
+    }
+
+    /**
+     * Retrieves a per-poll value
+     *
+     * @param value
+     * @returns integer or undefined
+     */
+    public getSumValue(value: summaryPollKeys): number | undefined {
+        return this.data.poll[value] || undefined;
+    }
+
+    /**
+     * Sets a per-poll value
+     *
+     * @param value
+     * @param weight
+     */
+    public setSumValue(value: summaryPollKeys, weight: string): void {
+        this.data.poll[value] = parseInt(weight, 10);
+    }
+}

client/src/app/site/assignments/components/assignment-poll/assignment-poll.component.html

@@ -0,0 +1,119 @@
+<!-- label: 'Ballot 1 ...' -->
+<h3 translate>Ballot</h3>
+<mat-card class="os-card">
+    <div class="flex-spaced">
+        <div>
+            <!-- *ngIf="poll.description"> -->
+            Description
+            <!-- {{ poll.description}} -->
+        </div>
+        <!-- Buttons -->
+        <div *osPerms="'assignments.can_manage'">
+            <button mat-button (click)="printBallot()">
+                <span translate>Print ballot paper</span>
+            </button>
+            <button mat-button [disabled]="assignment.phase == 2" (click)="enterVotes()">
+                <span translate>Enter votes</span>
+            </button>
+            <button mat-button (click)="togglePublished()">
+                <span *ngIf="!poll.published" translate>Publish</span>
+                <span *ngIf="poll.published" translate>Unpublish</span>
+            </button>
+        </div>
+        <div *osPerms="'core.can_manage_projector'">
+            <button mat-button>
+                <span translate>Project</span>
+                <!-- os-projector-button ?-->
+            </button>
+        </div>
+        <div *osPerms="'assignments.can_manage'">
+            <button mat-button class="red-warning-text" (click)="onDeletePoll(poll)">
+                <span translate>Delete</span>
+            </button>
+        </div>
+    </div>
+    <div>
+        <!-- text input 'set hint for pballot paper' -->
+        <!-- submit: setBallotHint(poll) -->
+    </div>
+
+    <div *ngIf="pollService.majorityMethods && majorityChoice">
+        <span translate>Majority method</span>
+
+        <mat-basic-chip *ngIf="canManage" [matMenuTriggerFor]="majorityMenu" class="grey" disableRipple>
+            {{ majorityChoice.display_name | translate }}
+        </mat-basic-chip>
+        <mat-basic-chip *ngIf="!canManage" class="grey" disableRipple>
+            {{ majorityChoice.display_name | translate }}
+        </mat-basic-chip>
+        <mat-menu #majorityMenu="matMenu">
+            <button mat-menu-item *ngFor="let method of pollService.majorityMethods" (click)="setMajority(method)">
+                <mat-icon *ngIf="method.value === majorityChoice.value">
+                    check
+                </mat-icon>
+                {{ method.display_name | translate }}
+            </button>
+        </mat-menu>
+    </div>
+    <div class="on-transition-fade" *ngIf="poll && poll.options">
+        <div *ngFor="let option of poll.options" class="flex-spaced">
+            <div *ngIf="poll.published">
+                <mat-checkbox [checked]="option.is_elected" (change)="toggleElected(option)">
+                    <!-- TODO mark/unkmark elected osPerms -->
+                </mat-checkbox>
+            </div>
+            <!-- candidate Name -->
+            <div>
+                {{ getCandidateName(option) }}
+            </div>
+            <!-- Votes -->
+            <div *ngIf="poll.published && poll.has_votes">
+                <div *ngFor="let vote of option.votes">
+                    <div class="poll-progress on-transition-fade">
+                        <span>{{ pollService.getLabel(vote.value) | translate }}:</span>
+                        {{ pollService.getSpecialLabel(vote.weight) }}
+                        <span *ngIf="!pollService.isAbstractOption(poll, option)"
+                            >({{ pollService.getPercent(poll, option, vote.value) }}%)</span
+                        >
+                    </div>
+                    <div *ngIf="!pollService.isAbstractOption(poll, option)" class="poll-progress-bar">
+                        <mat-progress-bar
+                            mode="determinate"
+                            [value]="pollService.getPercent(poll, option, vote.value)"
+                            [ngClass]="pollService.getProgressBarColor(vote.value)"
+                        >
+                        </mat-progress-bar>
+                    </div>
+                </div>
+            </div>
+            <div
+                *ngIf="
+                    poll.has_votes &&
+                    poll.published &&
+                    majorityChoice &&
+                    majorityChoice.value !== 'disabled' &&
+                    !pollService.isAbstractOption(poll, option)
+                "
+            >
+                <span>{{ pollService.yesQuorum(majorityChoice, poll, option) }}</span>
+                <span *ngIf="quorumReached(option)" class="green-text">
+                    <mat-icon>done</mat-icon>
+                </span>
+                <span *ngIf="!quorumReached(option)" class="red-warning-text">
+                    <mat-icon>cancel</mat-icon>
+                </span>
+            </div>
+        </div>
+        <div>
+            <!-- summary -->
+            <div *ngFor="let key of pollValues">
+                <div>
+                    <span>{{ key | translate }}</span>:
+                </div>
+                <div>
+                    {{ pollService.getSpecialLabel(poll[key]) }}
+                </div>
+            </div>
+        </div>
+    </div>
+</mat-card>

client/src/app/site/assignments/components/assignment-poll/assignment-poll.component.scss

@@ -0,0 +1,61 @@
+::ng-deep .progress-green {
+    .mat-progress-bar-fill::after {
+        background-color: #4caf50;
+    }
+    .mat-progress-bar-buffer {
+        background-color: #d5ecd5;
+    }
+}
+
+::ng-deep .progress-red {
+    .mat-progress-bar-fill::after {
+        background-color: #f44336;
+    }
+    .mat-progress-bar-buffer {
+        background-color: #fcd2cf;
+    }
+}
+
+::ng-deep .progress-yellow {
+    .mat-progress-bar-fill::after {
+        background-color: #ffc107;
+    }
+    .mat-progress-bar-buffer {
+        background-color: #fff0c4;
+    }
+}
+
+.poll-result {
+    .poll-progress-bar {
+        height: 5px;
+        width: 100%;
+        .mat-progress-bar {
+            height: 100%;
+            width: 100%;
+        }
+    }
+    .poll-progress {
+        display: flex;
+        margin-bottom: 15px;
+        margin-top: 15px;
+        mat-icon {
+            min-width: 40px;
+            margin-right: 5px;
+        }
+        .progress-container {
+            width: 85%;
+        }
+    }
+}
+
+.main-nav-color {
+    color: rgba(0, 0, 0, 0.54);
+}
+
+.poll-quorum-line {
+    display: flex;
+    vertical-align: bottom;
+    .mat-button {
+        padding: 1px;
+    }
+}

client/src/app/site/assignments/components/assignment-poll/assignment-poll.component.spec.ts

@@ -0,0 +1,26 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AssignmentPollComponent } from './assignment-poll.component';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('AssignmentPollComponent', () => {
+    let component: AssignmentPollComponent;
+    let fixture: ComponentFixture<AssignmentPollComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            declarations: [AssignmentPollComponent],
+            imports: [E2EImportsModule]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(AssignmentPollComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/site/assignments/components/assignment-poll/assignment-poll.component.ts

@@ -0,0 +1,230 @@
+import { Component, OnInit, Input } from '@angular/core';
+import { MatDialog, MatSnackBar } from '@angular/material';
+
+import { TranslateService } from '@ngx-translate/core';
+
+import { AssignmentPollDialogComponent } from './assignment-poll-dialog.component';
+import { AssignmentPollService } from '../../services/assignment-poll.service';
+import { AssignmentRepositoryService } from 'app/core/repositories/assignments/assignment-repository.service';
+import { MajorityMethod, CalculablePollKey } from 'app/core/ui-services/poll.service';
+import { OperatorService } from 'app/core/core-services/operator.service';
+import { Poll } from 'app/shared/models/assignments/poll';
+import { PollOption } from 'app/shared/models/assignments/poll-option';
+import { PromptService } from 'app/core/ui-services/prompt.service';
+import { ViewAssignment } from '../../models/view-assignment';
+import { BaseViewComponent } from 'app/site/base/base-view';
+import { Title } from '@angular/platform-browser';
+
+/**
+ * Component for a single assignment poll. Used in assignment detail view
+ */
+@Component({
+    selector: 'os-assignment-poll',
+    templateUrl: './assignment-poll.component.html',
+    styleUrls: ['./assignment-poll.component.scss']
+})
+export class AssignmentPollComponent extends BaseViewComponent implements OnInit {
+    /**
+     * The related assignment (used for metainfos, e.g. related user names)
+     */
+    @Input()
+    public assignment: ViewAssignment;
+
+    /**
+     * The poll represented in this component
+     */
+    @Input()
+    public poll: Poll;
+
+    /**
+     * The selected Majority method to display quorum calculations. Will be
+     * set/changed by the user
+     */
+    public majorityChoice: MajorityMethod | null;
+
+    /**
+     * permission checks.
+     * TODO stub
+     *
+     * @returns true if the user is permitted to do operations
+     */
+    public get canManage(): boolean {
+        return this.operator.hasPerms('assignments.can_manage');
+    }
+
+    /**
+     * Gets the voting options
+     *
+     * @returns all used (not undefined) option-independent values that are
+     * used in this poll (e.g.)
+     */
+    public get pollValues(): CalculablePollKey[] {
+        return this.pollService.pollValues.filter(name => this.poll[name] !== undefined);
+    }
+
+    /**
+     * Gets the translated poll method name
+     *
+     * TODO: check/improve text here
+     *
+     * @returns a name for the poll method this poll is set to (which is determined
+     * by the number of candidates and config settings).
+     */
+    public get pollMethodName(): string {
+        if (!this.poll) {
+            return '';
+        }
+        switch (this.poll.pollmethod) {
+            case 'votes':
+                return this.translate.instant('Vote per Candidate');
+            case 'yna':
+                return this.translate.instant('Yes/No/Abstain per Candidate');
+            case 'yn':
+                return this.translate.instant('Yes/No per Candidate');
+            default:
+                return '';
+        }
+    }
+
+    /**
+     * constructor. Does nothing
+     *
+     * @param pollService poll related calculations
+     * @param operator permission checks
+     * @param assignmentRepo The repository to the assignments
+     * @param translate Translation service
+     * @param dialog MatDialog for the vote entering dialog
+     * @param promptService Prompts for confirmation dialogs
+     */
+    public constructor(
+        titleService: Title,
+        matSnackBar: MatSnackBar,
+        public pollService: AssignmentPollService,
+        private operator: OperatorService,
+        private assignmentRepo: AssignmentRepositoryService,
+        public translate: TranslateService,
+        public dialog: MatDialog,
+        private promptService: PromptService
+    ) {
+        super(titleService, translate, matSnackBar);
+    }
+
+    /**
+     * Gets the currently selected majority choice option from the repo
+     */
+    public ngOnInit(): void {
+        this.majorityChoice =
+            this.pollService.majorityMethods.find(method => method.value === this.pollService.defaultMajorityMethod) ||
+            null;
+    }
+
+    /**
+     * Handler for the 'delete poll' button
+     *
+     * TODO: Some confirmation (advanced logic (e.g. not deleting published?))
+     */
+    public async onDeletePoll(): Promise<void> {
+        const title = this.translate.instant('Are you sure you want to delete this poll?');
+        if (await this.promptService.open(title, null)) {
+            await this.assignmentRepo.deletePoll(this.poll).then(null, this.raiseError);
+        }
+    }
+
+    /**
+     * Print the PDF of this poll with the corresponding options and numbers
+     *
+     * TODO Print the ballots for this poll.
+     */
+    public printBallot(poll: Poll): void {
+        this.raiseError('Not yet implemented');
+    }
+
+    /**
+     * Fetches the name for a candidate from the assignment
+     *
+     * @param option Any poll option
+     * @returns the full_name for the candidate
+     */
+    public getCandidateName(option: PollOption): string {
+        const user = this.assignment.candidates.find(candidate => candidate.id === option.candidate_id);
+        return user ? user.full_name : '';
+        // TODO this.assignment.candidates may not contain every candidates' name (if deleted later)
+        // so we should rather use this.userRepo.getViewModel(option.id).full_name
+        // TODO is this name always available?
+        // TODO error handling
+    }
+
+    /**
+     * Determines whether the candidate has reached the majority needed to pass
+     * the quorum
+     *
+     * @param option
+     * @returns true if the quorum is successfully met
+     */
+    public quorumReached(option: PollOption): boolean {
+        const yesValue = this.poll.pollmethod === 'votes' ? 'Votes' : 'Yes';
+        const amount = option.votes.find(v => v.value === yesValue).weight;
+        const yesQuorum = this.pollService.yesQuorum(this.majorityChoice, this.poll, option);
+        return yesQuorum && amount >= yesQuorum;
+    }
+
+    /**
+     * Opens the {@link AssignmentPollDialogComponent} dialog and then updates the votes, if the dialog
+     * closes successfully (validation is done there)
+     */
+    public enterVotes(): void {
+        // TODO deep copy of this.poll (JSON parse is ugly workaround)
+        // or sending just copy of the options
+        const data = {
+            poll: JSON.parse(JSON.stringify(this.poll)),
+            users: this.assignment.candidates // used to get the names of the users
+        };
+        const dialogRef = this.dialog.open(AssignmentPollDialogComponent, {
+            data: data,
+            maxHeight: '90vh',
+            minWidth: '300px',
+            maxWidth: '80vw',
+            disableClose: true
+        });
+        dialogRef.afterClosed().subscribe(result => {
+            if (result) {
+                this.assignmentRepo.updateVotes(result, this.poll).then(null, this.raiseError);
+            }
+        });
+    }
+
+    /**
+     * Updates the majority method for this poll
+     *
+     * @param method the selected majority method
+     */
+    public setMajority(method: MajorityMethod): void {
+        this.majorityChoice = method;
+    }
+
+    /**
+     * Toggles the 'published' state
+     */
+    public togglePublished(): void {
+        this.assignmentRepo.updatePoll({ published: !this.poll.published }, this.poll);
+    }
+
+    /**
+     * Mark/unmark an option as elected
+     *
+     * @param option
+     */
+    public toggleElected(option: PollOption): void {
+        if (!this.operator.hasPerms('assignments.can_manage')) {
+            return;
+        }
+
+        // TODO additional conditions: assignment not finished?
+        const candidate = this.assignment.assignment.assignment_related_users.find(
+            user => user.user_id === option.candidate_id
+        );
+        if (candidate) {
+            this.assignmentRepo.markElected(candidate, this.assignment, !option.is_elected);
+        }
+    }
+}

client/src/app/site/assignments/models/view-assignment.ts

@@ -6,6 +6,12 @@ import { ViewUser } from 'app/site/users/models/view-user';
 import { ViewItem } from 'app/site/agenda/models/view-item';
 import { ViewTag } from 'app/site/tags/models/view-tag';
 import { BaseViewModel } from 'app/site/base/base-view-model';
+import { Poll } from 'app/shared/models/assignments/poll';
+
+export interface AssignmentPhase {
+    value: number;
+    display_name: string;
+}
 
 export class ViewAssignment extends BaseAgendaViewModel {
     public static COLLECTIONSTRING = Assignment.COLLECTIONSTRING;
@@ -50,6 +56,10 @@ export class ViewAssignment extends BaseAgendaViewModel {
         return this.candidates ? this.candidates.length : 0;
     }
 
+    public get polls(): Poll[] {
+        return this.assignment ? this.assignment.polls : []; // TODO check
+    }
+
     /**
      * This is set by the repository
      */
@@ -59,6 +69,9 @@ export class ViewAssignment extends BaseAgendaViewModel {
 
     public constructor(assignment: Assignment, relatedUser?: ViewUser[], agendaItem?: ViewItem, tags?: ViewTag[]) {
         super(Assignment.COLLECTIONSTRING);
+
+        console.log('related user: ', relatedUser);
+
         this._assignment = assignment;
         this._relatedUser = relatedUser;
         this._agendaItem = agendaItem;
@@ -84,7 +97,7 @@ export class ViewAssignment extends BaseAgendaViewModel {
     }
 
     public getDetailStateURL(): string {
-        return 'TODO';
+        return `/assignments/${this.id}`;
     }
 
     public getSlide(): ProjectorElementBuildDeskriptor {

client/src/app/site/assignments/services/assignment-filter.service.ts

@@ -1,10 +1,11 @@
 import { Injectable } from '@angular/core';
 
 import { AssignmentRepositoryService } from 'app/core/repositories/assignments/assignment-repository.service';
-import { Assignment, assignmentPhase } from 'app/shared/models/assignments/assignment';
+import { Assignment } from 'app/shared/models/assignments/assignment';
-import { BaseFilterListService, OsFilter, OsFilterOption } from 'app/core/ui-services/base-filter-list.service';
+import { BaseFilterListService, OsFilter } from 'app/core/ui-services/base-filter-list.service';
 import { StorageService } from 'app/core/core-services/storage.service';
-import { ViewAssignment } from '../models/view-assignment';
+import { ViewAssignment, AssignmentPhase } from '../models/view-assignment';
+import { ConstantsService } from 'app/core/ui-services/constants.service';
 
 @Injectable({
     providedIn: 'root'
@@ -12,32 +13,53 @@ import { ViewAssignment } from '../models/view-assignment';
 export class AssignmentFilterListService extends BaseFilterListService<Assignment, ViewAssignment> {
     protected name = 'Assignment';
 
-    public filterOptions: OsFilter[];
+    /**
+     * Getter for the current filter options
+     *
+     * @returns filter definitions to use
+     */
+    public get filterOptions(): OsFilter[] {
+        return [this.phaseFilter];
+    }
 
-    public constructor(store: StorageService, assignmentRepo: AssignmentRepositoryService) {
+    /**
-        super(store, assignmentRepo);
+     * Filter for assignment phases. Defined in the servers' constants
-        this.filterOptions = [
+     */
-            {
+    public phaseFilter: OsFilter = {
         property: 'phase',
-                options: this.createPhaseOptions()
+        options: []
-            }
+    };
-        ];
+
+    /**
+     * Constructor. Activates the phase options subscription
+     *
+     * @param store StorageService
+     * @param assignmentRepo Repository
+     * @param constants the openslides constant service to get the assignment options
+     */
+    public constructor(
+        store: StorageService,
+        assignmentRepo: AssignmentRepositoryService,
+        private constants: ConstantsService
+    ) {
+        super(store, assignmentRepo);
+        this.createPhaseOptions();
     }
 
-    private createPhaseOptions(): OsFilterOption[] {
+    /**
-        const options = [];
+     * Subscribes to the phases of an assignment that are defined in the server's
-        assignmentPhase.forEach(phase => {
+     * constants
-            options.push({
+     */
-                label: phase.name,
+    private createPhaseOptions(): void {
-                condition: phase.key,
+        this.constants.get<AssignmentPhase[]>('AssignmentPhases').subscribe(phases => {
+            this.phaseFilter.options = phases.map(ph => {
+                return {
+                    label: ph.display_name,
+                    condition: ph.value,
                     isActive: false
+                };
             });
         });
-        options.push('-');
+        this.updateFilterDefinitions(this.filterOptions);
-        options.push({
-            label: 'Other',
-            condition: null
-        });
-        return options;
     }
 }

client/src/app/site/assignments/services/assignment-poll.service.spec.ts

@@ -0,0 +1,12 @@
+import { TestBed } from '@angular/core/testing';
+
+import { AssignmentPollService } from './assignment-poll.service';
+
+describe('PollService', () => {
+    beforeEach(() => TestBed.configureTestingModule({}));
+
+    it('should be created', () => {
+        const service: AssignmentPollService = TestBed.get(AssignmentPollService);
+        expect(service).toBeTruthy();
+    });
+});

client/src/app/site/assignments/services/assignment-poll.service.ts

@@ -0,0 +1,200 @@
+import { Injectable } from '@angular/core';
+
+import { ConfigService } from 'app/core/ui-services/config.service';
+import {
+    PollService,
+    PollMajorityMethod,
+    MajorityMethod,
+    CalculablePollKey,
+    PollVoteValue
+} from 'app/core/ui-services/poll.service';
+import { Poll } from 'app/shared/models/assignments/poll';
+import { PollOption } from 'app/shared/models/assignments/poll-option';
+
+type AssignmentPollValues = 'auto' | 'votes' | 'yesnoabstain' | 'yesno';
+export type AssignmentPollMethod = 'yn' | 'yna' | 'votes';
+type AssignmentPercentBase = 'YES_NO_ABSTAIN' | 'YES_NO' | 'VALID' | 'CAST' | 'DISABLED';
+
+/**
+ * Service class for assignment polls.
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class AssignmentPollService extends PollService {
+    /**
+     * list of poll keys that are numbers and can be part of a quorum calculation
+     */
+    public pollValues: CalculablePollKey[] = ['votesvalid', 'votesinvalid', 'votescast'];
+
+    /**
+     * the method used for polls (as per config)
+     */
+    public pollMethod: AssignmentPollValues;
+
+    /**
+     * the method used to determine the '100%' base (set in config)
+     */
+    public percentBase: AssignmentPercentBase;
+
+    /**
+     * convenience function for displaying the available majorities
+     */
+    public get majorityMethods(): MajorityMethod[] {
+        return PollMajorityMethod;
+    }
+
+    /**
+     * Constructor. Subscribes to the configuration values needed
+     *
+     * @param config ConfigService
+     */
+    public constructor(config: ConfigService) {
+        super();
+        config
+            .get<string>('assignments_poll_default_majority_method')
+            .subscribe(method => (this.defaultMajorityMethod = method));
+        config
+            .get<AssignmentPollValues>('assignments_poll_vote_values')
+            .subscribe(method => (this.pollMethod = method));
+        config
+            .get<AssignmentPercentBase>('assignments_poll_100_percent_base')
+            .subscribe(base => (this.percentBase = base));
+    }
+
+    /**
+     * Get the base amount for the 100% calculations. Note that some poll methods
+     * (e.g. yes/no/abstain may have a different percentage base and will return null here)
+     *
+     * @param poll
+     * @returns The amount of votes indicating the 100% base
+     */
+    public getBaseAmount(poll: Poll): number | null {
+        switch (this.percentBase) {
+            case 'DISABLED':
+                return null;
+            case 'YES_NO':
+            case 'YES_NO_ABSTAIN':
+                if (poll.pollmethod === 'votes') {
+                    const yes = poll.options.map(cand => {
+                        const yesValue = cand.votes.find(v => v.value === 'Yes');
+                        return yesValue ? yesValue.weight : -99;
+                    });
+                    if (Math.min(...yes) < 0) {
+                        return null;
+                    } else {
+                        return yes.reduce((a, b) => a + b);
+                    }
+                } else {
+                    return null;
+                }
+            case 'CAST':
+                return poll.votescast > 0 && poll.votesinvalid >= 0 ? poll.votescast : null;
+            case 'VALID':
+                return poll.votesvalid > 0 ? poll.votesvalid : null;
+            default:
+                return null;
+        }
+    }
+
+    /**
+     * Get the percentage for an option
+     *
+     * @param poll
+     * @param option
+     * @param value
+     * @returns a percentage number with two digits, null if the value cannot be calculated
+     */
+    public getPercent(poll: Poll, option: PollOption, value: PollVoteValue): number | null {
+        const base = poll.pollmethod === 'votes' ? poll.pollBase : this.getOptionBaseAmount(poll, option);
+        if (!base) {
+            return null;
+        }
+        const vote = option.votes.find(v => v.value === value);
+        if (!vote) {
+            return null;
+        }
+        return Math.round(((vote.weight * 100) / base) * 100) / 100;
+    }
+
+    /**
+     * Check if the option in a poll is abstract (percentages should not be calculated)
+     *
+     * @param poll
+     * @param option
+     * @returns true if the poll has no percentages, the poll option is a special value,
+     * or if the calculations are disabled in the config
+     */
+    public isAbstractOption(poll: Poll, option: PollOption): boolean {
+        if (!option.votes || !option.votes.length) {
+            return true;
+        }
+        if (poll.pollmethod === 'votes') {
+            return poll.pollBase ? false : true;
+        } else {
+            return option.votes.some(v => v.weight < 0);
+        }
+    }
+
+    /**
+     * Check for abstract (not usable as percentage) options in non-option
+     * 'meta' values
+     *
+     * @param poll
+     * @param value
+     * @returns true if percentages cannot be calculated
+     * TODO: Yes, No, etc. in an option will always return true.
+     * Use {@link isAbstractOption} for these
+     */
+    public isAbstractValue(poll: Poll, value: CalculablePollKey): boolean {
+        if (!poll.pollBase || !this.pollValues.includes(value)) {
+            return true;
+        }
+        if (this.percentBase === 'CAST' && poll[value] >= 0) {
+            return false;
+        } else if (this.percentBase === 'VALID' && value === 'votesvalid' && poll[value] > 0) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Calculate the base amount inside an option. Only useful if poll method is not 'votes'
+     *
+     * @returns an positive integer to be used as percentage base, or null
+     */
+    private getOptionBaseAmount(poll: Poll, option: PollOption): number | null {
+        if (poll.pollmethod === 'votes') {
+            return null;
+        }
+        const yes = option.votes.find(v => v.value === 'Yes');
+        const no = option.votes.find(v => v.value === 'No');
+        if (poll.pollmethod === 'yn') {
+            if (!yes || yes.weight === undefined || !no || no.weight === undefined) {
+                return null;
+            }
+            return yes.weight >= 0 && no.weight >= 0 ? yes.weight + no.weight : null;
+        } else {
+            const abstain = option.votes.find(v => v.value === 'Abstain');
+            if (!abstain || abstain.weight === undefined) {
+                return null;
+            }
+            return yes.weight >= 0 && no.weight >= 0 && abstain.weight >= 0
+                ? yes.weight + no.weight + abstain.weight
+                : null;
+        }
+    }
+
+    /**
+     * Get the minimum amount of votes needed for an option to pass the quorum
+     *
+     * @param method
+     * @param poll
+     * @param option
+     * @returns a positive integer number; may return null if quorum is not calculable
+     */
+    public yesQuorum(method: MajorityMethod, poll: Poll, option: PollOption): number | null {
+        const baseAmount = poll.pollmethod === 'votes' ? poll.pollBase : this.getOptionBaseAmount(poll, option);
+        return method.calc(baseAmount);
+    }
+}

client/src/app/site/motions/modules/category/components/category-list/category-list.component.scss

@@ -25,11 +25,6 @@ mat-expansion-panel {
     margin: auto;
 }
 
-.flex-spaced {
-    display: flex;
-    justify-content: space-between;
-}
-
 .full-width-form {
     display: flex;
     width: 100%;

client/src/app/site/motions/modules/motion-detail/components/motion-poll/motion-poll-dialog.component.ts

@@ -3,7 +3,8 @@ import { MatDialogRef, MAT_DIALOG_DATA, MatSnackBar } from '@angular/material';
 import { TranslateService } from '@ngx-translate/core';
 
 import { MotionPoll } from 'app/shared/models/motions/motion-poll';
-import { MotionPollService, CalculablePollKey } from 'app/site/motions/services/motion-poll.service';
+import { MotionPollService } from 'app/site/motions/services/motion-poll.service';
+import { CalculablePollKey } from 'app/core/ui-services/poll.service';
 
 /**
  * A dialog for updating the values of a poll.
@@ -15,7 +16,8 @@ import { MotionPollService, CalculablePollKey } from 'app/site/motions/services/
 })
 export class MotionPollDialogComponent {
     /**
-     * List of accepted special non-numerical values from {@link PollService}
+     * List of accepted special non-numerical values.
+     * See {@link PollService.specialPollVotes}
      */
     public specialValues: [number, string][];
 

client/src/app/site/motions/modules/motion-detail/components/motion-poll/motion-poll.component.html

@@ -20,7 +20,7 @@
                             <mat-progress-bar
                                 mode="determinate"
                                 [value]="getPercent(key)"
-                                [ngClass]="getProgressBarColor(key)"
+                                [ngClass]="pollService.getProgressBarColor(key)"
                             >
                             </mat-progress-bar>
                         </div>

client/src/app/site/motions/modules/motion-detail/components/motion-poll/motion-poll.component.ts

@@ -86,7 +86,7 @@ export class MotionPollComponent implements OnInit {
      */
     public constructor(
         public dialog: MatDialog,
-        private pollService: MotionPollService,
+        public pollService: MotionPollService,
         private motionRepo: MotionRepositoryService,
         private constants: ConstantsService,
         private translate: TranslateService,
@@ -138,26 +138,6 @@ export class MotionPollComponent implements OnInit {
         return this.pollService.getIcon(key);
     }
 
-    /**
-     * Get the progressbar class for a decision key
-     *
-     * @param key
-     *
-     * @returns a css class designing a progress bar in a color, or an empty string
-     */
-    public getProgressBarColor(key: CalculablePollKey): string {
-        switch (key) {
-            case 'yes':
-                return 'progress-green';
-            case 'no':
-                return 'progress-red';
-            case 'abstain':
-                return 'progress-yellow';
-            default:
-                return '';
-        }
-    }
-
     /**
      * Transform special case numbers into their strings
      * @param key

client/src/app/site/motions/modules/motion-workflow/components/workflow-detail/workflow-detail.component.html

@@ -34,7 +34,7 @@
                 </mat-cell>
             </ng-container>
 
-            <div *ngFor="let state of workflow.states; trackBy: trackElement">
+            <div *ngFor="let state of workflow.states; trackBy: trackByIndex">
                 <ng-container [matColumnDef]="getColumnDef(state)">
                     <mat-header-cell *matHeaderCellDef (click)="onClickStateName(state)">
                         <div class="clickable-cell">

client/src/app/site/motions/services/motion-import.service.ts

@@ -228,7 +228,7 @@ export class MotionImportService extends BaseImportService<ViewMotion> {
      * @param categoryString
      * @returns categories mapped to existing categories
      */
-    public getCategory(categoryString: string): CsvMapping {
+    public getCategory(categoryString: string): CsvMapping | null {
         if (!categoryString) {
             return null;
         }
@@ -266,7 +266,7 @@ export class MotionImportService extends BaseImportService<ViewMotion> {
      * @param blockString
      * @returns a CSVMap with the MotionBlock and an id (if the motionBlock is already in the dataStore)
      */
-    public getMotionBlock(blockString: string): CsvMapping {
+    public getMotionBlock(blockString: string): CsvMapping | null {
         if (!blockString) {
             return null;
         }

client/src/app/site/motions/services/motion-pdf.service.ts

@@ -2,10 +2,11 @@ import { Injectable } from '@angular/core';
 
 import { TranslateService } from '@ngx-translate/core';
 
+import { CalculablePollKey } from 'app/core/ui-services/poll.service';
 import { ChangeRecommendationRepositoryService } from 'app/core/repositories/motions/change-recommendation-repository.service';
 import { ConfigService } from 'app/core/ui-services/config.service';
 import { HtmlToPdfService } from 'app/core/ui-services/html-to-pdf.service';
-import { MotionPollService, CalculablePollKey } from './motion-poll.service';
+import { MotionPollService } from './motion-poll.service';
 import { MotionRepositoryService } from 'app/core/repositories/motions/motion-repository.service';
 import { StatuteParagraphRepositoryService } from 'app/core/repositories/motions/statute-paragraph-repository.service';
 import { ViewMotion, LineNumberingMode, ChangeRecoMode } from '../models/view-motion';

client/src/app/site/motions/services/motion-poll.service.ts

@@ -2,9 +2,7 @@ import { Injectable } from '@angular/core';
 
 import { ConfigService } from 'app/core/ui-services/config.service';
 import { MotionPoll } from 'app/shared/models/motions/motion-poll';
-import { PollService } from 'app/core/ui-services/poll.service';
+import { PollService, PollMajorityMethod, CalculablePollKey } from 'app/core/ui-services/poll.service';
-
-export type CalculablePollKey = 'votesvalid' | 'votesinvalid' | 'votescast' | 'yes' | 'no' | 'abstain';
 
 /**
  * Service class for motion polls.
@@ -37,7 +35,7 @@ export class MotionPollService extends PollService {
      * @param key
      * @returns a percentage number with two digits, null if the value cannot be calculated (consider 0 !== null)
      */
-    public calculatePercentage(poll: MotionPoll, key: CalculablePollKey): number {
+    public calculatePercentage(poll: MotionPoll, key: CalculablePollKey): number | null {
         const baseNumber = this.getBaseAmount(poll);
         if (!baseNumber) {
             return null;
@@ -126,18 +124,11 @@ export class MotionPollService extends PollService {
             return undefined;
         }
         let result: number;
-        switch (method) {
+        const calc = PollMajorityMethod.find(m => m.value === method);
-            case 'simple_majority':
+        if (calc && calc.calc) {
-                result = baseNumber * 0.5;
+            result = calc.calc(baseNumber);
-                break;
+        } else {
-            case 'two-thirds_majority':
+            result = null;
-                result = (baseNumber / 3) * 2;
-                break;
-            case 'three-quarters_majority':
-                result = (baseNumber / 4) * 3;
-                break;
-            default:
-                return undefined;
         }
         // rounding up, or if a integer was hit, adding one.
         if (result % 1 !== 0) {

client/src/app/site/users/components/group-list/group-list.component.html

@@ -44,7 +44,7 @@
                     </mat-cell>
                 </ng-container>
 
-                <div *ngFor=" let group of groups; trackBy: trackGroupArray">
+                <div *ngFor="let group of groups; trackBy: trackByIndex">
                     <ng-container [matColumnDef]="group.name">
                         <mat-header-cell class="group-head-table-cell" *matHeaderCellDef (click)="selectGroup(group)">
                             <div class="inner-table">

client/src/styles.scss

@@ -305,6 +305,12 @@ mat-paginator {
     margin-top: 50px;
 }
 
+/**even distribution of elements in a row*/
+.flex-spaced {
+    display: flex;
+    justify-content: space-between;
+}
+
 /**use to push content to the right side*/
 .spacer {
     flex: 1 1 auto;

openslides/assignments/serializers.py

@@ -6,12 +6,12 @@ from openslides.utils.rest_api import (
     DictField,
     IntegerField,
     ListField,
-    ListSerializer,
     ModelSerializer,
     SerializerMethodField,
     ValidationError,
 )
 
+from ..utils.autoupdate import inform_changed_data
 from ..utils.validate import validate_html
 from .models import (
     Assignment,
@@ -19,7 +19,6 @@ from .models import (
     AssignmentPoll,
     AssignmentRelatedUser,
     AssignmentVote,
-    models,
 )
 
 
@@ -79,25 +78,6 @@ class AssignmentOptionSerializer(ModelSerializer):
         return obj.poll.assignment.is_elected(obj.candidate)
 
 
-class FilterPollListSerializer(ListSerializer):
-    """
-    Customized serializer to filter polls (exclude unpublished).
-    """
-
-    def to_representation(self, data):
-        """
-        List of object instances -> List of dicts of primitive datatypes.
-
-        This method is adapted to filter the data and exclude unpublished polls.
-        """
-        # Dealing with nested relationships, data can be a Manager,
-        # so, first get a queryset from the Manager if needed
-        iterable = (
-            data.filter(published=True) if isinstance(data, models.Manager) else data
-        )
-        return [self.child.to_representation(item) for item in iterable]
-
-
 class AssignmentAllPollSerializer(ModelSerializer):
     """
     Serializer for assignment.models.AssignmentPoll objects.
@@ -197,31 +177,6 @@ class AssignmentAllPollSerializer(ModelSerializer):
         return instance
 
 
-class AssignmentShortPollSerializer(AssignmentAllPollSerializer):
-    """
-    Serializer for assignment.models.AssignmentPoll objects.
-
-    Serializes only short polls (excluded unpublished polls).
-    """
-
-    class Meta:
-        list_serializer_class = FilterPollListSerializer
-        model = AssignmentPoll
-        fields = (
-            "id",
-            "pollmethod",
-            "description",
-            "published",
-            "options",
-            "votesabstain",
-            "votesno",
-            "votesvalid",
-            "votesinvalid",
-            "votescast",
-            "has_votes",
-        )
-
-
 class AssignmentFullSerializer(ModelSerializer):
     """
     Serializer for assignment.models.Assignment objects. With all polls.
@@ -266,8 +221,11 @@ class AssignmentFullSerializer(ModelSerializer):
         """
         agenda_type = validated_data.pop("agenda_type", None)
         agenda_parent_id = validated_data.pop("agenda_parent_id", None)
+        tags = validated_data.pop("tags", [])
         assignment = Assignment(**validated_data)
         assignment.agenda_item_update_information["type"] = agenda_type
         assignment.agenda_item_update_information["parent_id"] = agenda_parent_id
         assignment.save()
+        assignment.tags.add(*tags)
+        inform_changed_data(assignment)
         return assignment

openslides/utils/rest_api.py

@@ -204,6 +204,13 @@ class ModelSerializerRegisterer(SerializerMetaclass):
         except AttributeError:
             pass
         else:
+            if model_serializer_classes.get(model) is not None:
+                error = (
+                    f"Model {model} is already used for the serializer class "
+                    f"{model_serializer_classes[model]} and cannot be registered "
+                    f"for serializer class {serializer_class}."
+                )
+                raise RuntimeError(error)
             model_serializer_classes[model] = serializer_class
         return serializer_class